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Originally posted by WiseThinker
I have some really serious questions that i dont get have not been reported yet
a few weeks ago this post
www.abovetopsecret.com...
apeard saying the jet stream had moved way south of its normal position over Europe, i didn't pay much attention as i do not know much about the nature of the jet stream. Then 2 days ago I looked at current infra red weather maps of Europe and the world for that matter, and the Jet Stream is not there AT ALL anymore (in Europe)..... is it normal for it to fluctuate this much and actually disappear half way across the Atlantic like it does?
Well i just checked again and it looks like the Jet is slowly reappearing tho, it looks to be originating from Canada and not the gulf anymore...
Some say that la Nina is causing this?
....the gist is that smoothing always increases correlation. Here is our recipe for generating spurious results:
1. Start with two absolutely unrelated time series which show no correlation,
2. Smooth one or both series,
3. Recompute the correlation;
4. If the correlation is not yet “statistically significant”, repeat 2 and 3 until it is.
This recipe is guaranteed. Correlation may be computed via linear regression, as D&E did, or by another other parametric statistical model. See their Figures 19 and 20 for confirmation.
I want to stress that if D&E did not smooth their data, the correlation would not have been as high; but as high as it would have been, it would still have been expected. All that smoothing has done here is artificially inflated the confidence D&E have in their results. It does not change the fact that AMO + PDO is well correlated with air temperature.
Predictability
The ocean is sluggish in response to external forcing, the atmosphere responds as quickly as a cheerleader returning a text. These two facts are why sea surface temperature indexes can be useful in predicting future air temperature. If some mechanism causes the sea surface temperature to increase in, say, the Pacific, then cetaris parabis the air above the sea it will eventually requite and warm itself....
wmbriggs.com...
Originally posted by OzWeatherman
reply to post by discl0sur3
And this is the 20th time Ive said this
LA NINA
Please do some damn research.....wow you people stun me
And again, for the 20th time, if any of you actually knew what you are talking about, you would realise that the jetstream location is not abnormal
squall.sfsu.edu...
And if you cant interpret any of those maps, you shouldnt even be talking about the jetstreamedit on 19/12/2010 by OzWeatherman because: (no reason given)
Originally posted by WiseThinker
I have some really serious questions that i dont get have not been reported yet
a few weeks ago this post
www.abovetopsecret.com...
apeard saying the jet stream had moved way south of its normal position over Europe, i didn't pay much attention as i do not know much about the nature of the jet stream. Then 2 days ago I looked at current infra red weather maps of Europe and the world for that matter, and the Jet Stream is not there AT ALL anymore (in Europe)..... is it normal for it to fluctuate this much and actually disappear half way across the Atlantic like it does?
Well i just checked again and it looks like the Jet is slowly reappearing tho, it looks to be originating from Canada and not the gulf anymore...
Originally posted by Hundroid
Weather patterns are influenced by a huge number of factors and we should also keep in mind that we are talking about HUGE things. I do believe the GS has been damaged by the oil spill (it seems obvious) but I am reluctant to believe the oil could stop GS totally. On the other side it's undeniable this year the winter came a bit too early...winter starts officially tomorrow, with the winter solstice, and it's already few weeks we are below zero in EU. Airports are closed (London, Paris and Amsterdam) and since I am an experienced traveller I have to say I do not remember such a mess with flights around Xmas. We should also not forget the statistical correlations between sunspots and temperatures here on Earth: when sun activity is low, here we experience very cold winters and glaciers move forward. Our Sun is just getting out from the most severe solar mininum (ever? some scientists say so) that's why I am not really surprised of this extreme cold during autumn. JS, GS, are very complex matters that cannot be understood or explained in 5 minutes, so let's try to be careful when talking about them.